题文
There is no light in dormitory. They must have gone to the lecture,_______ ?
| A.didn't they |
| B.don't they |
| C.mustn't they |
| D.haven't they |
推荐试卷
There is no light in dormitory. They must have gone to the lecture,_______ ?
| A.didn't they |
| B.don't they |
| C.mustn't they |
| D.haven't they |
试题篮
()